MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF4:20:55:90:00:00 /28
Vendor address16 Baishi West Road, Xiangtan Economic and Technological Development Zone Xiangtan Hunan CN 411100
Country🇨🇳 China
RegisteredJun 18, 2024
Block rangeF4:20:55:90:00:00– F4:20:55:9F:FF:FF
Address capacity1,048,576
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority
Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Example addresses in this block
Where this block sits
Previous
F4:20:55:80:00:00 /28
Huzhou Luxshare Precision Industry Co.LTD
Next
F4:20:55:A0:00:00 /28
Shanghai Kanghai Information System CO.,LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Lens Technology (Xiangtan) Co.,Ltd holds 6 registered blocks in the IEEE registry, ranking #506 of 33,421 organizations by block count.
Other blocks registered to Lens Technology (Xiangtan) Co.,Ltd